a=8
b=3
c=a+b
d=a-b
e=a*b
f=a/b
g=a%b
print("两者之和：",c)
print("两者之差：",d)
print("两者之积:",e)
print("两者之商：",f)
print("求余：",g)



x=3467
a=x//1000
b=x//100%10
c=x//10%10
d=x%10
y=a+b+c+d
print(y)





a=ord("吴")
print(a)




a=float(4.2)
b=float(7.9)
c=a+b
d=b-a
e=a*b
f=b/a
print("加:",c)
print("减:",d)
print("乘:",e)
print("除:",f)







a=2.54
b=int(input("英寸："))
c=a*b
print("厘米：",c)







a=0.4535924
b=int(input("千克：",))
c=b/a
print("镑：",c)







a=chr(21556)
print(a)
